In a certain population of rabbits, the ratio of the phenotypes of brown fur and white fur is 1:1. What is the frequency of the white fur trait in the rabbit population? (1 point)
25% 1% 50% 100%
The frequency of the white fur trait in the rabbit population is 50%.
Kamar wants to know his mother's blood type. Kamar knows that his blood type is AB and his father’s blood type is heterozygous A. What can Kamar assume about his mother’s blood type?
(1 point)
Kamar’s mother must be either A or O because
blood type AB is considered incomplete dominant.
Kamar’s mother must be O because the recessive allele allows for Kamar to get type A from his father
Kamar’s mother must be AB because blood type AB is inherited from one parent
Kamar’s mother must be either AB or B because blood types AB is considered codominant
Kamar can assume that his mother's blood type must be either AB or B because blood types AB are considered codominant.
Which of the following best describes natural selection? (1 point)
The process by which organisms that are better adapted to the environment tend to survive and produce more offspring.
When traits are determined by multiple genes and environmental factors and cannot be predicted using Punnett squares
The process by which organisms are separated by chance events, such as natural disasters, causing the frequency of the population to change.
When a small sample of a population leaves and establishes a new population.
The correct answer is: The process by which organisms that are better adapted to the environment tend to survive and produce more offspring.
The different variants of a trait available to a gene are called
(1 point)
genotypes. alleles. phenotypes. polygenic traits.
The different variants of a trait available to a gene are called alleles.
What is one similarity between genetic drift and gene flow?
(1 point)
They are both caused by the migration of species.
They both cause a change in the frequency of traits in a population.
They both occur in a population by chance.
They are both caused by natural disasters, such as hurricanes.